IBM InfoSphere DataStage v8.5 : C2090-421 exam

IBM C2090-421 Actual PDF
  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • Updated: Aug 09, 2026
  • Q & A: 194 Questions and Answers
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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
Data Connectivity and Integration- Source and target systems
  • 1. Database connectivity (ODBC/JDBC)
    • 2. Sequential and file-based data processing
      DataStage Architecture and Fundamentals- Core architecture concepts
      • 1. Parallel processing architecture overview
        • 2. Project environment and repository structure
          Monitoring and Administration- Job control and troubleshooting
          • 1. Job monitoring and debugging tools
            • 2. Logging and error handling
              Performance and Optimization- Parallel execution tuning
              • 1. Partitioning strategies
                • 2. Performance optimization techniques
                  Job Design and Development- Building DataStage jobs
                  • 1. Transformer and stage configuration
                    • 2. Server and parallel job design principles

                      IBM InfoSphere DataStage v8.5 Sample Questions:

                      1. What are the three features of Information Server that allow you to deploy DataStage objects? (Select three)

                      A) Information Server Manager
                      B) istool
                      C) dscc.exe
                      D) Designer Client Export
                      E) $APT_COPY_TRANSFORMER


                      2. Which three environment variables are valid job score environment variables? (Select three)

                      A) APT JAVA SCORE
                      B) APT_SAVE_SCORE
                      C) APT_LOW_SCORE
                      D) APT_THIN_SCORE
                      E) APT_DUMP_SCORE


                      3. An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
                      What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)

                      A) On Export check Include dependencies of
                      B) Repository Advanced Find Where Used
                      C) Select the top Level Job Sequence and Dependency of (deep).
                      D) Click Impact Analysis Icon on Designer Client Toolbar.


                      4. Which two statements are true about the usage of scratch disk? (Choose two.)

                      A) You can define multiple scratch disk spaces to distribute disk I/O.
                      B) The Sort stage always uses the scratch disk.
                      C) If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
                      D) The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.


                      5. You have been asked to assess the impact of replacing the DB2 Enterprise Stage with the DB2 Connector. You must identify all of the jobs and shared containers that use the DB2 Enterprise Stage.
                      What two Advanced Find criteria would you set to identify the jobs and containers? (Choose two.)

                      A) Where used
                      B) Include Read only objects
                      C) Type
                      D) Dependent upon


                      Solutions:

                      Question # 1
                      Answer: A,C
                      Question # 2
                      Answer: B,C,E
                      Question # 3
                      Answer: A,B
                      Question # 4
                      Answer: A,D
                      Question # 5
                      Answer: A,C

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